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  <title>结束增量哈希，并且返回摘要结果</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.hash-final" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">hash_final</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.2, PHP 7, PECL hash &gt;= 1.1)</p><p class="refpurpose"><span class="refname">hash_final</span> &mdash; <span class="dc-title">结束增量哈希，并且返回摘要结果</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.hash-final-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>hash_final</strong></span>
    ( <span class="methodparam"><span class="type"><span class="type HashContext">HashContext</span></span> <code class="parameter">$context</code></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$raw_output</code><span class="initializer"> = <strong><code>FALSE</code></strong></span></span>
  ] ) : <span class="type">string</span></div>

 </div>

 <div class="refsect1 parameters" id="refsect1-function.hash-final-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">context</code></dt>

     <dd>

      <p class="para">
       <span class="function"><a href="hash_init.html" class="function">hash_init()</a></span> 函数返回的哈希运算上下文资源。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">raw_output</code></dt>

     <dd>

      <p class="para">
       设置为 <strong><code>TRUE</code></strong>，输出格式为原始的二进制数据。
       设置为 <strong><code>FALSE</code></strong>，输出小写的 16 进制字符串。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.hash-final-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   如果 <code class="parameter">raw_output</code> 设置为 <strong><code>TRUE</code></strong>， 则返回原始二进制数据表示的信息摘要，
   否则返回 16 进制小写字符串格式表示的信息摘要。
  </p>
 </div>

 
 <div class="refsect1 changelog" id="refsect1-function.hash-final-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>7.2.0</td>
       <td>
        接收参数从资源类型修改为 <strong class="classname">HashContext</strong> 对象类型。
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.hash-final-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-892">
    <p><strong>Example #1 <span class="function"><strong>hash_final()</strong></span> 例程</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$ctx&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">hash_init</span><span style="color: #007700">(</span><span style="color: #DD0000">'sha1'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">hash_update</span><span style="color: #007700">(</span><span style="color: #0000BB">$ctx</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'The&nbsp;quick&nbsp;brown&nbsp;fox&nbsp;jumped&nbsp;over&nbsp;the&nbsp;lazy&nbsp;dog.'</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">hash_final</span><span style="color: #007700">(</span><span style="color: #0000BB">$ctx</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
c0854fb9fb03c41cce3802cb0d220529e6eef94e
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.hash-final-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="hash_init.html" class="function" rel="rdfs-seeAlso">hash_init()</a> - 初始化增量哈希运算上下文</span></li>
    <li class="member"><span class="function"><a href="hash_update.html" class="function" rel="rdfs-seeAlso">hash_update()</a> - 向活跃的哈希运算上下文中填充数据</span></li>
    <li class="member"><span class="function"><a href="hash_update_stream.html" class="function" rel="rdfs-seeAlso">hash_update_stream()</a> - 从打开的流向活跃的哈希运算上下文中填充数据</span></li>
    <li class="member"><span class="function"><a href="hash_update_file.html" class="function" rel="rdfs-seeAlso">hash_update_file()</a> - 从文件向活跃的哈希运算上下文中填充数据</span></li>
   </ul>
  </p>
 </div>


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